显示每个完美数字的程序

def is_perfect_number(num):
    factors = []
    for i in range(1, num):
        if num % i == 0:
            factors.append(i)
    if sum(factors) == num:
        return True
    else:
        return False

def display_perfect_numbers(start, end):
    perfect_numbers = []
    for i in range(start, end+1):
        if is_perfect_number(i):
            perfect_numbers.append(i)
    return perfect_numbers

start_num = 1
end_num = 10000
perfect_nums = display_perfect_numbers(start_num, end_num)
print("Perfect numbers from", start_num, "to", end_num, ":")
for num in perfect_nums:
    print(num)